<h3 id="engds-from-caltechthesis">Engds from <a
href="https://thesis.library.caltech.edu">CaltechTHESIS</a></h3>
<ul>
<li>Ruiz-Elizondo, Jesús (1954) <a
href="https://resolver.caltech.edu/CaltechTHESIS:12112017-150948104">A
Study of the Safe Yield and Replenishment Conditions for the Yucaipa
Basin Area, California</a>; <a
href="https://doi.org/10.7907/3JFQ-6K26">10.7907/3JFQ-6K26</a></li>
<li>Quigley, Milner Darwin (1950) <a
href="https://resolver.caltech.edu/CaltechTHESIS:02262010-092659807">A
Restudy of Existing Graphical Methods of Interpreting Magnetic Data and
their Application to Interpreting the Results of Magnetic Surveys Across
the Los Angeles Basin</a>; <a
href="https://doi.org/10.7907/KWMD-SQ93">10.7907/KWMD-SQ93</a></li>
<li>Geldart, Lloyd Philip (1949) <a
href="https://resolver.caltech.edu/CaltechTHESIS:08172010-101104666">Periodic
Variations of the Gravitational Force. A Gravity Survey in the Monk Hill
Area. Transmission of Shot Impulses in Shallow Water</a>; <a
href="https://doi.org/10.7907/YH1P-CT82">10.7907/YH1P-CT82</a></li>
<li>Yüngül, Sulhi (1945) <a
href="https://resolver.caltech.edu/CaltechTHESIS:12222015-094656971">Some
Uses of the Spontaneous Polarization Method</a>; <a
href="https://doi.org/10.7907/WHXG-6T26">10.7907/WHXG-6T26</a></li>
</ul>